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It is the final type of problems which we'll be looking at in this section. We are going to be looking at mixing solutions of distinct percentages to obtain a new percentage. The solution will contain a secondary liquid mixed with water. The secondary liquid may be alcohol or acid for instance.
The standard equation which we'll employ here will be the following.
Notice as well that the percentage have to be a decimal. Thus if we have an 80% solution we will have to use 0.80.
Example Simplify following logarithms. log 4 ( x 3 y 5 ) Solution Here the instructions may be a little misleading. While we say simplify we actually mean to say tha
in her last gymnastics competition Keri scored a 5.6 on the floor exercise, 5.85 on the vault and 5.90 on the balance beam. what was keri''s total?
The sum of 4 consecutive integers is 130. what are the four integers?
Solve the system y = -x + 7 and y = -0.5(x - 3)^2 + 8
50P3
When the Gleo Retro (a trendy commuter car) is brand new, it costs $23,500. Each year it loses 15 % of its value. What will the car be worth when it is 15 years old?
1. Isaac goes to an amusement park where tickets for the rides cost $10 per sheet and tickets for the shows cost $15 each. a. Write an expression that describes the amount of money
how do you sove for x? (1/3)x+3=x-2
Lee is taking some friends on a picnic. They''ll need to follow a path to get to the picnic spot. A map of the path is based on a scale of 1:30,000, in cm. If the path is 12 cm on
Tank A contains four times as much as Tank B. Tank C contains 32 L more than Tank A. The three Tanks contain 482 L of water in all. How many liters of water does Tank A contain?
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